La classe SplMaxHeap

(PHP 5 >= 5.3.0)

Introduction

La classe SplMaxHeap fournit l'interface pour un tas, et conserve le maximum sur le haut.

Synopsis de la classe

SplMaxHeap extends SplHeap implements Iterator , Countable {

/* Méthodes */

int compare ( mixed $value1 , mixed $value2 )

/* Méthodes héritées */

abstract int SplHeap::compare ( mixed $value1 , mixed $value2 )

int SplHeap::count ( void )

mixed SplHeap::current ( void )

mixed SplHeap::extract ( void )

void SplHeap::insert ( mixed $value )

bool SplHeap::isEmpty ( void )

mixed SplHeap::key ( void )

void SplHeap::next ( void )

void SplHeap::recoverFromCorruption ( void )

void SplHeap::rewind ( void )

mixed SplHeap::top ( void )

bool SplHeap::valid ( void )

}

Sommaire

SplMaxHeap::compare — Compare deux éléments

add a note User Contributed Notes SplMaxHeap - [1 notes]

down

MuLoT [ojousset49 at yahoo dot fr] ¶

2 years ago


SplMaxHeap simple example with integer values...





&lt;?php


class MySimpleHeap extends SplHeap


{


    public function  compare( $value1, $value2 ) {


        return ( $value1 - $value2 );


    }


}





$obj = new MySimpleHeap();


$obj-&gt;insert( 4 );


$obj-&gt;insert( 8 );


$obj-&gt;insert( 1 );


$obj-&gt;insert( 0 );





foreach( $obj as $number ) {


    echo $number.\&quot;\\n\&quot;;


}





/*


    Output display :


    8


    4


    1


    0


*/


?&gt;

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